v3.25.4
Property and Equipment - Summary of Property and Equipment, Net (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 8.4 $ 7.2
Less: Accumulated depreciation (6.3) (5.4)
Property and equipment, net 2.1 1.8
Furniture, Equipment and Other [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 7.0 5.8
Leasehold Improvements [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 1.4 $ 1.4